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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

31°C

88°F

Humidity 55%
Wind Speed Calm
Barometer 1018.1 mb (30.09 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index34°C (93°F)
Last update 15 Jul 2:54 pm CDT
Extended Forecast for

4 Miles SSE Bethany IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. Calm wind.

    High: 33 °C

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 32. Calm wind.

    High: 32 °C

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Partly Cloudy

  • Friday

    Friday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 31. Calm wind becoming west 5 to 10 km/h in the morning. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. Southwest wind 5 to 10 km/h.

    Low: 22 °C

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. West wind 11 to 18 km/h, with gusts as high as 29 km/h.

    High: 32 °C

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 30.

    High: 30 °C

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 33. Calm wind.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 22. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 32. Calm wind.
Thursday Night
Partly cloudy, with a low around 22. Calm wind.
Friday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 31. Calm wind becoming west 5 to 10 km/h in the morning. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Friday Night
Partly cloudy, with a low around 22. Southwest wind 5 to 10 km/h.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. West wind 11 to 18 km/h, with gusts as high as 29 km/h.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Bethany IL
 39.59°N 88.7°W (Elev. 676 m)
Last Update:
2:56 pm CDT Jul 15, 2026
Forecast Valid:
3pm CDT Jul 15, 2026-6pm CDT Jul 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation